July 16 (Reuters) - The U.S. Food and Drug Administration's staff reviewers on Wednesday raised efficacy concerns over Otsuka Pharma's 4578.T combination treatment for adults with post-traumatic stress disorder (PTSD), citing inconsistent trial results and a modest treatment effect that may not be clinically meaningful.
(Reporting by Siddhi Mahatole and Mariam Sunny in Bengaluru; Editing by Shailesh Kuber and Shreya Biswas)
((siddhi.mahatole@thomsonreuters.com;))